Peter Limkilde Svendsen
24 lines
598 B
Rust
24 lines
598 B
Rust
//! `sys/file.h` implementation.
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//!
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//! Non-POSIX, see <https://man7.org/linux/man-pages/man2/flock.2.html>.
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use crate::{
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error::ResultExt,
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platform::{types::*, Pal, Sys},
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};
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pub const LOCK_SH: usize = 1;
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pub const LOCK_EX: usize = 2;
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pub const LOCK_NB: usize = 4;
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pub const LOCK_UN: usize = 8;
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pub const L_SET: usize = 0;
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pub const L_INCR: usize = 1;
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pub const L_XTND: usize = 2;
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/// See <https://man7.org/linux/man-pages/man2/flock.2.html>.
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#[no_mangle]
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pub extern "C" fn flock(fd: c_int, operation: c_int) -> c_int {
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Sys::flock(fd, operation).map(|()| 0).or_minus_one_errno()
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}
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